[ALSA] ASoC codec error reporting
This patch improves the codec probe() error reporting by printing error
messages when the card or pcms fail to register.
Signed-off-by: Liam Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/soc/codecs/wm9712.c b/sound/soc/codecs/wm9712.c
index 36c6a38a..b2d2d03 100644
--- a/sound/soc/codecs/wm9712.c
+++ b/sound/soc/codecs/wm9712.c
@@ -692,10 +692,8 @@
codec->reg_cache =
kzalloc(sizeof(u16) * ARRAY_SIZE(wm9712_reg), GFP_KERNEL);
if (codec->reg_cache == NULL) {
- kfree(codec->ac97);
- kfree(socdev->codec);
- socdev->codec = NULL;
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto cache_err;
}
memcpy(codec->reg_cache, wm9712_reg, sizeof(u16) * ARRAY_SIZE(wm9712_reg));
codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(wm9712_reg);
@@ -712,8 +710,10 @@
INIT_LIST_HEAD(&codec->dapm_paths);
ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
- if (ret < 0)
- goto err;
+ if (ret < 0) {
+ printk(KERN_ERR "wm9712: failed to register AC97 codec\n");
+ goto codec_err;
+ }
/* register pcms */
ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
@@ -733,8 +733,10 @@
wm9712_add_controls(codec);
wm9712_add_widgets(codec);
ret = snd_soc_register_card(socdev);
- if (ret < 0)
+ if (ret < 0) {
+ printk(KERN_ERR "wm9712: failed to register card\n");
goto reset_err;
+ }
return 0;
@@ -744,8 +746,10 @@
pcm_err:
snd_soc_free_ac97_codec(codec);
-err:
- kfree(socdev->codec->reg_cache);
+codec_err:
+ kfree(codec->reg_cache);
+
+cache_err:
kfree(socdev->codec);
socdev->codec = NULL;
return ret;